Language can mediate eye movement control within 100 milliseconds, regardless of whether there is anything to move the eyes to.
Language can mediate eye movement control within 100 milliseconds, regardless of whether there is anything to move the eyes to.
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DOI：
10.1016/j.actpsy.2010.09.009
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发表时间：
2011-06
影响因子：
1.8
通讯作者：
Altmann, Gerry T. M.
中科院分区：
文献类型：
--
作者：
Altmann, Gerry T. M.
关键词：
移动眼睛的信号和相应的眼睛运动的执行之间的延迟是可变的，并且是偏斜的;具有早期峰值，随后是相当大的尾部。这种偏态分布给出了“语言输入和眼跳执行之间的延迟是多少”这个问题的答案。问题;对于给定的任务，没有单一的数字，只有数字的分布。在这里，两个先前发表的研究重新分析，其设计使我们能够回答，而不是，问题：多久，作为语言的展开，为眼动系统表现出敏感性之间的区别“信号”（眼动由于展开的语言）和“噪音”（眼动由于外来因素）？在两项研究中，参与者听到“那个男人……”或“那个女孩……”，并计算响应这两个输入的同时或之前描述的男人的发射时间分布。在这两种情况下，信号和噪声之间的最早区分发生在100 ms左右。语言和眼动控制之间的这种快速相互作用最有可能是由于取消了即将执行的扫视对象（或其情节痕迹），这些对象与展开单词的最早音韵时刻不匹配。
The delay between the signal to move the eyes, and the execution of the corresponding eye movement, is variable, and skewed; with an early peak followed by a considerable tail. This skewed distribution renders the answer to the question “What is the delay between language input and saccade execution?” problematic; for a given task, there is no single number, only a distribution of numbers. Here, two previously published studies are reanalysed, whose designs enable us to answer, instead, the question: How long does it take, as the language unfolds, for the oculomotor system to demonstrate sensitivity to the distinction between “signal” (eye movements due to the unfolding language) and “noise” (eye movements due to extraneous factors)? In two studies, participants heard either ‘the man…’ or ‘the girl…’, and the distribution of launch times towards the concurrently, or previously, depicted man in response to these two inputs was calculated. In both cases, the earliest discrimination between signal and noise occurred at around 100 ms. This rapid interplay between language and oculomotor control is most likely due to cancellation of about-to-be executed saccades towards objects (or their episodic trace) that mismatch the earliest phonological moments of the unfolding word.
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